/**
 * Visibly jQuery Plugin v1.1
 *
 * @version 1.1 (05/03/2015)
 * @author Daniel Rivers <me@danielrivers.com>
 * @see https://github.com/DanielRivers/jQuery-Visibly/
 *
 * Dual licensed under the MIT and GPLv3 Licenses
 * http://www.opensource.org/licenses/mit-license.php
 * http://www.gnu.org/licenses/gpl-3.0.html
 *
 */
// rVal gets rounds issue with hidden items in drop down being selected
(function ($) {
  $.fn.rVal = function (content) {
    var result
    if ($(this).is('select')) {
      $(this).find('option:selected').each(function () {
        if ($(this).parent().is('select')) result = $(this).val()
      })
    } else result = $(this).val()
    return result
  }
})(jQuery)

  ;
(function ($) {
  $.fn.Visibly = function (o) {
    // settings and defaults
    var s = $.extend({
      clearOnHide: false, // Clear the value from the elements on hide
      attr: 'visibly', // attr attribute to use for the visibly attr
      vdelim: ',', // Delimiter used to split the values a control can hold
      edelim: ':', // Equal delimiter between the field ID and the values
      nedelim: '!', // Not Equal delimiter between the field ID and the values
      regularExpression: false, // Use Regular expression for the test
      fdelim: ';', // Delimiter between the fields
      rdelim: '%' // Delimiter between rules
    }, o)
    var runitems = []

    return this.each(function () {
      var c = $(this)
      var split = RegExp(s.edelim + '|' + s.nedelim)
      // loop through all controls related to the field to create events
      $.each($(this).attr(s.attr).split(s.fdelim), function (k, v2) {
        // Bind keyup and change events, keyup is used because if the next tab item is made visible it would not be tabbed to using change or blur
        var vis = $('#' + v2.split(split)[0])

        if (vis.length === 0) vis = $('INPUT[name="' + v2.split(split)[0] + '"]')
        vis.bind('keyup change click', function () {
          // Parent field has changed! Check if should be made visible
          var visible = true
          $.each(c.attr(s.attr).split(s.rdelim), function (k, rv) {
            visible = true
            // loop through the controls related to the rules
            $.each(rv.split(s.fdelim), function (k, v) {
              // Cache the element
              var elem = $('#' + v.split(split)[0])
              if (elem.length === 0) elem = $('INPUT[name="' + v.split(split)[0] + '"]:checked')
              // Does the element exist?
              if (elem.val() !== undefined) {
                // Cache the value, plus workaround for issue with .val on select boxes with hidden items
                var val = ''
                var grep
                if (elem.is('select')) {
                  elem.find('option:selected').each(function () {
                    if ($(this).parent().is('select')) val = $(this).rVal()
                  })
                } else val = elem.val()
                // If the rule doesn't match, hide control
                if (v.split(s.edelim)[1] !== null)
                  // work around for .val not working correctly
                  grep = $.grep(v.split(s.edelim)[1].split(s.vdelim), function (n, i) {
                    if ($.inArray(val, v.split(s.edelim)[1].split(s.vdelim)) !== -1)
                      return true
                    // didnt match above, test if its a regular expression match
                    return (s.regularExpression) ? (val.match(n)) : false
                  })
	// 江鸿宾(ziyue)更改判断，以前是!==null，但会出现undefined的情况
                if (v.split(s.nedelim)[1])
                  grep = $.grep(v.split(s.nedelim)[1].split(s.vdelim), function (n, i) {
                    if ($.inArray(val, v.split(s.nedelim)[1].split(s.vdelim)) !== -1)
                      return false
                    // didnt match above, test if its a regular expression match
                    return (s.regularExpression) ? (!val.match(n)) : true
                  })
                if (grep.length === 0) visible = false
              } else visible = false
            })
            return !visible
          })
          // Set visibilty
          // setting individual items on drop down doesn't work cross browser, check to see if option and wrap in hidden span
          if (visible) {
            if (c.is('option')) {
              if (c.parent('span.hide').length) c.unwrap()
            } else c.show()
          } else {
            if (c.is('option')) {
              if (c.parent('span.hide').length === 0) {
                if (c.val() === c.closest('select').val())
                  c.closest('select').rVal('')
                c.trigger('change')
                c.wrap('<span class="hide" style="display: none;" />')
              }
            } else c.hide()
          }
          // Clear the element and child elements if ClearOnHide is set
          if ((!visible) && (s.clearOnHide)) {
            c.val('')
            c.find('input,select').val('') // 江鸿宾(ziyue)添加select标签
            c.selectedIndex = 0
          }
        })
        // Add event items to collection for initialisation
        if ($.inArray(v2.split(split)[0], runitems) === -1) runitems.push(v2.split(split)[0])
      })
    }).promise().done(function () {
      // First load, set visibility on all fields based on rules
      for (var i = 0; i < runitems.length; i++) {
        $('INPUT[name="' + runitems[i] + '"]').trigger('change')
        $('#' + runitems[i]).trigger('change')
      }
    })
  }
})(jQuery)